package concept.misc;

public class StringBuilderLab
{
	static void doNull()
	{
		StringBuilder sb = new StringBuilder();
		String s = null;
		String ss = "null";
		sb.append(s);
		sb.append(ss);
		System.out.println(sb);
	}
	
	public static void main(String[] args)
	{
		doNull();
	}

}
